From OpenGovData

The projects below are open source efforts to bring the power of government information to the citizens of the United States. Open source projects are always looking for help, so get involved!

Federal - Legislative

• GovTrack.us tracks the U.S. Congress and is a reference for pending legislation, votes, Members of Congress, congressional districts, and the congressional record. The database that powers the site is also made freely available. See this page for development information.

• MetaVid is an interface to video streams from the House and Senate floors. The software behind the site is open source: MetaVidWiki is an extension of MediaWiki – the wiki-system powering Wikipedia – that enables community engagement with audio/visual media assets and associative temporal metadata.

• watchdog.net is trying to build a hub for politics on the Internet. It's gathering congressional information now. The source code and data are open. Project ideas are here.

• Congresspedia is a wiki, the citizen's encyclopedia about Congress. It's not open "source" per se, but it is open content.

• Readable Laws is a wiki about making plain-language analyses of bills. It's not open "source" per se, but it is open content.

• OpenCongress brings together official government data (by way of GovTrack) with news articles, blog coverage, and social wisdom to present a comprehensive overview of what's happening in Congress. Site code is open-source Ruby on Rails, licensed under the GPL.

Federal - Judicial

• AltLaw.org, "the free legal search engine", provides the first free, full-text searchable database of Supreme Court and Federal Appellate case reports. Development happens at lawcommons.org. AltLaw is a joint project of Columbia Law School’s Program on Law and Technology and the Silicon Flatirons Program at the University of Colorado Law School.

Elections

• Open Source Digital Voting Foundation is a community of technology and policy geeks, developing open source guidelines, specifications, and prototypes of high assurance digital voting systems and services.